Perhaps you should try some spelling variations:
4.1 communication » 4 communication, 2.3 communication, 3.2 communication
developpement de » developpement des, developpement durable
4 developpement » de developpement, le developpement, et developpement
technology has » technology hard, technology have, technology how
has inflation » how inflation, u.s inflation, cases inflation
inflation und » inflation index, inflation _, inflation tax
und prices » fund prices, land prices, bond prices
prices 4.1 » price 4.1, prices 2.1, prices 3.1
de afrique » de l'afrique, en afrique, l afrique
costs 4 » costs _, costs a, costs 4.2

You may be able to get more results by adjusting your search query.

• Adding a wildcard symbol may retrieve word variants: technology has inflation und prices 4.1 communication costs 4 developpement de afrique.*.